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Preferences for Peers
Last registered on September 08, 2020

Pre-Trial

Trial Information
General Information
Title
Preferences for Peers
RCT ID
AEARCTR-0006305
Initial registration date
September 08, 2020
Last updated
September 08, 2020 8:34 AM EDT
Location(s)

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Primary Investigator
Affiliation
University of Zurich
Other Primary Investigator(s)
PI Affiliation
University of Zurich
Additional Trial Information
Status
In development
Start date
2020-09-10
End date
2021-12-31
Secondary IDs
Abstract
We conduct a field experiment in higher education to study students' preferences for peers. Our primary outcomes will be students' preferences for peers and indicators of educational success. We will analyze heterogeneity along the dimensions of gender and ability.
External Link(s)
Registration Citation
Citation
Shan, Xiaoyue and Ulf Zölitz. 2020. "Preferences for Peers." AEA RCT Registry. September 08. https://doi.org/10.1257/rct.6305-1.0.
Experimental Details
Interventions
Intervention(s)
We randomly assign students to study groups.
Intervention Start Date
2020-09-17
Intervention End Date
2021-02-15
Primary Outcomes
Primary Outcomes (end points)
Students' preferences for peers and educational outcomes.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Evaluations of peer-to-peer interactions.
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
We randomly assign students into study groups of four.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer.
Randomization Unit
Individual.
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
75-150 groups.
Sample size: planned number of observations
300-600 students.
Sample size (or number of clusters) by treatment arms
300-600 students all assigned to study groups.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
University of Zurich IRB
IRB Approval Date
2018-04-30
IRB Approval Number
N/A